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md: drivers/md/unroll.pl replaced with awk analog
drivers/md/unroll.pl replaced by awk script to drop build-time dependency on perl Signed-off-by: Vladimir Dronnikov <dronnikov@gmail.com> Signed-off-by: NeilBrown <neilb@suse.de>
This commit is contained in:
Vladimir Dronnikov
NeilBrown
parent
ae8fa2831b
commit
dce3a7a42d
@ -46,7 +46,7 @@ obj-$(CONFIG_DM_LOG_USERSPACE) += dm-log-userspace.o
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obj-$(CONFIG_DM_ZERO) += dm-zero.o
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quiet_cmd_unroll = UNROLL $@
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cmd_unroll = $(PERL) $(srctree)/$(src)/unroll.pl $(UNROLL) \
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cmd_unroll = $(AWK) -f$(srctree)/$(src)/unroll.awk -vN=$(UNROLL) \
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< $< > $@ || ( rm -f $@ && exit 1 )
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ifeq ($(CONFIG_ALTIVEC),y)
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@ -59,56 +59,56 @@ endif
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targets += raid6int1.c
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$(obj)/raid6int1.c: UNROLL := 1
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$(obj)/raid6int1.c: $(src)/raid6int.uc $(src)/unroll.pl FORCE
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$(obj)/raid6int1.c: $(src)/raid6int.uc $(src)/unroll.awk FORCE
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$(call if_changed,unroll)
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targets += raid6int2.c
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$(obj)/raid6int2.c: UNROLL := 2
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$(obj)/raid6int2.c: $(src)/raid6int.uc $(src)/unroll.pl FORCE
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$(obj)/raid6int2.c: $(src)/raid6int.uc $(src)/unroll.awk FORCE
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$(call if_changed,unroll)
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targets += raid6int4.c
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$(obj)/raid6int4.c: UNROLL := 4
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$(obj)/raid6int4.c: $(src)/raid6int.uc $(src)/unroll.pl FORCE
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$(obj)/raid6int4.c: $(src)/raid6int.uc $(src)/unroll.awk FORCE
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$(call if_changed,unroll)
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targets += raid6int8.c
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$(obj)/raid6int8.c: UNROLL := 8
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$(obj)/raid6int8.c: $(src)/raid6int.uc $(src)/unroll.pl FORCE
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$(obj)/raid6int8.c: $(src)/raid6int.uc $(src)/unroll.awk FORCE
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$(call if_changed,unroll)
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targets += raid6int16.c
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$(obj)/raid6int16.c: UNROLL := 16
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$(obj)/raid6int16.c: $(src)/raid6int.uc $(src)/unroll.pl FORCE
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$(obj)/raid6int16.c: $(src)/raid6int.uc $(src)/unroll.awk FORCE
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$(call if_changed,unroll)
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targets += raid6int32.c
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$(obj)/raid6int32.c: UNROLL := 32
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$(obj)/raid6int32.c: $(src)/raid6int.uc $(src)/unroll.pl FORCE
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$(obj)/raid6int32.c: $(src)/raid6int.uc $(src)/unroll.awk FORCE
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$(call if_changed,unroll)
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CFLAGS_raid6altivec1.o += $(altivec_flags)
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targets += raid6altivec1.c
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$(obj)/raid6altivec1.c: UNROLL := 1
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$(obj)/raid6altivec1.c: $(src)/raid6altivec.uc $(src)/unroll.pl FORCE
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$(obj)/raid6altivec1.c: $(src)/raid6altivec.uc $(src)/unroll.awk FORCE
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$(call if_changed,unroll)
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CFLAGS_raid6altivec2.o += $(altivec_flags)
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targets += raid6altivec2.c
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$(obj)/raid6altivec2.c: UNROLL := 2
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$(obj)/raid6altivec2.c: $(src)/raid6altivec.uc $(src)/unroll.pl FORCE
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$(obj)/raid6altivec2.c: $(src)/raid6altivec.uc $(src)/unroll.awk FORCE
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$(call if_changed,unroll)
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CFLAGS_raid6altivec4.o += $(altivec_flags)
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targets += raid6altivec4.c
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$(obj)/raid6altivec4.c: UNROLL := 4
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$(obj)/raid6altivec4.c: $(src)/raid6altivec.uc $(src)/unroll.pl FORCE
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$(obj)/raid6altivec4.c: $(src)/raid6altivec.uc $(src)/unroll.awk FORCE
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$(call if_changed,unroll)
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CFLAGS_raid6altivec8.o += $(altivec_flags)
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targets += raid6altivec8.c
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$(obj)/raid6altivec8.c: UNROLL := 8
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$(obj)/raid6altivec8.c: $(src)/raid6altivec.uc $(src)/unroll.pl FORCE
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$(obj)/raid6altivec8.c: $(src)/raid6altivec.uc $(src)/unroll.awk FORCE
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$(call if_changed,unroll)
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quiet_cmd_mktable = TABLE $@
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@ -15,7 +15,7 @@
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*
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* $#-way unrolled portable integer math RAID-6 instruction set
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*
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* This file is postprocessed using unroll.pl
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* This file is postprocessed using unroll.awk
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*
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* <benh> hpa: in process,
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* you can just "steal" the vec unit with enable_kernel_altivec() (but
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@ -15,7 +15,7 @@
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*
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* $#-way unrolled portable integer math RAID-6 instruction set
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*
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* This file is postprocessed using unroll.pl
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* This file is postprocessed using unroll.awk
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*/
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#include <linux/raid/pq.h>
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@ -7,7 +7,7 @@ CC = gcc
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OPTFLAGS = -O2 # Adjust as desired
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CFLAGS = -I.. -I ../../../include -g $(OPTFLAGS)
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LD = ld
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PERL = perl
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AWK = awk
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AR = ar
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RANLIB = ranlib
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@ -35,35 +35,35 @@ raid6.a: raid6int1.o raid6int2.o raid6int4.o raid6int8.o raid6int16.o \
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raid6test: test.c raid6.a
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$(CC) $(CFLAGS) -o raid6test $^
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raid6altivec1.c: raid6altivec.uc ../unroll.pl
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$(PERL) ../unroll.pl 1 < raid6altivec.uc > $@
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raid6altivec1.c: raid6altivec.uc ../unroll.awk
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$(AWK) ../unroll.awk -vN=1 < raid6altivec.uc > $@
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raid6altivec2.c: raid6altivec.uc ../unroll.pl
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$(PERL) ../unroll.pl 2 < raid6altivec.uc > $@
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raid6altivec2.c: raid6altivec.uc ../unroll.awk
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$(AWK) ../unroll.awk -vN=2 < raid6altivec.uc > $@
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raid6altivec4.c: raid6altivec.uc ../unroll.pl
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$(PERL) ../unroll.pl 4 < raid6altivec.uc > $@
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raid6altivec4.c: raid6altivec.uc ../unroll.awk
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$(AWK) ../unroll.awk -vN=4 < raid6altivec.uc > $@
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raid6altivec8.c: raid6altivec.uc ../unroll.pl
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$(PERL) ../unroll.pl 8 < raid6altivec.uc > $@
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raid6altivec8.c: raid6altivec.uc ../unroll.awk
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$(AWK) ../unroll.awk -vN=8 < raid6altivec.uc > $@
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raid6int1.c: raid6int.uc ../unroll.pl
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$(PERL) ../unroll.pl 1 < raid6int.uc > $@
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raid6int1.c: raid6int.uc ../unroll.awk
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$(AWK) ../unroll.awk -vN=1 < raid6int.uc > $@
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raid6int2.c: raid6int.uc ../unroll.pl
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$(PERL) ../unroll.pl 2 < raid6int.uc > $@
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raid6int2.c: raid6int.uc ../unroll.awk
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$(AWK) ../unroll.awk -vN=2 < raid6int.uc > $@
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raid6int4.c: raid6int.uc ../unroll.pl
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$(PERL) ../unroll.pl 4 < raid6int.uc > $@
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raid6int4.c: raid6int.uc ../unroll.awk
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$(AWK) ../unroll.awk -vN=4 < raid6int.uc > $@
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raid6int8.c: raid6int.uc ../unroll.pl
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$(PERL) ../unroll.pl 8 < raid6int.uc > $@
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raid6int8.c: raid6int.uc ../unroll.awk
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$(AWK) ../unroll.awk -vN=8 < raid6int.uc > $@
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raid6int16.c: raid6int.uc ../unroll.pl
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$(PERL) ../unroll.pl 16 < raid6int.uc > $@
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raid6int16.c: raid6int.uc ../unroll.awk
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$(AWK) ../unroll.awk -vN=16 < raid6int.uc > $@
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raid6int32.c: raid6int.uc ../unroll.pl
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$(PERL) ../unroll.pl 32 < raid6int.uc > $@
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raid6int32.c: raid6int.uc ../unroll.awk
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$(AWK) ../unroll.awk -vN=32 < raid6int.uc > $@
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raid6tables.c: mktables
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./mktables > raid6tables.c
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20
drivers/md/unroll.awk
Normal file
20
drivers/md/unroll.awk
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@ -0,0 +1,20 @@
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# This filter requires one command line option of form -vN=n
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# where n must be a decimal number.
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#
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# Repeat each input line containing $$ n times, replacing $$ with 0...n-1.
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# Replace each $# with n, and each $* with a single $.
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BEGIN {
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n = N + 0
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}
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{
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if (/\$\$/) { rep = n } else { rep = 1 }
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for (i = 0; i < rep; ++i) {
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tmp = $0
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gsub(/\$\$/, i, tmp)
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gsub(/\$\#/, n, tmp)
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gsub(/\$\*/, "$", tmp)
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print tmp
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}
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}
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@ -1,24 +0,0 @@
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#!/usr/bin/perl
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#
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# Take a piece of C code and for each line which contains the sequence $$
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# repeat n times with $ replaced by 0...n-1; the sequence $# is replaced
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# by the unrolling factor, and $* with a single $
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#
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($n) = @ARGV;
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$n += 0;
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while ( defined($line = <STDIN>) ) {
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if ( $line =~ /\$\$/ ) {
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$rep = $n;
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} else {
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$rep = 1;
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}
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for ( $i = 0 ; $i < $rep ; $i++ ) {
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$tmp = $line;
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$tmp =~ s/\$\$/$i/g;
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$tmp =~ s/\$\#/$n/g;
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$tmp =~ s/\$\*/\$/g;
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print $tmp;
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}
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}
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